/*
 * Copyright (C) 2012 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package interactivespaces.domain;

/**
 * An object in the domain which is persisted.
 *
 * @author Keith M. Hughes
 */
public interface PersistedObject {
	
    /**
     * Get the ID of the object.
     * 
     * <p>
     * This is the persistence ID and should be used for nothing else.
     * 
     * @return
     */
    String getId();
    
}
